FIRDAUS RIPIN
Calculation of Speed
1. The speed of an object can be calculated using the following formula.

Distance travelled
Speed = --------------------------------------
Time taken

2. Units for speed are as follows.
(a) Centimetres per second (cm/s)
Distance travelled in centimetres by an object in one second
(b) Metres per second (m/s)
Distance travelled in metres by an object in one second
(c) Kilometres per hour (km/h)
Distance travelled in kilometres by an object in one hour